One year after the fall of Copy X, the ruler of Neo Arcadia, Zero lives in exile, battling the Neo Arcadian forces. After Zero falls in battle, he is rescued by none other than Harpuia, who has taken control of Neo Arcadia in Copy X's stead, and he is taken back to the new Resistance base under the command of a new character named Elpizo. Reunited with Ciel and the Resistance, Zero takes on several missions for the Resistance. After a short time, Elpizo goes mad for the power to destroy Neo Arcadia after a failed military operation. He sets out to find such power, which leads him to betray the Resistance. The stage is set for a struggle to find the power of the almighty Dark Elf...